2136351 has 12 divisors (see below), whose sum is σ = 3313752. Its totient is φ = 1220688.

The previous prime is 2136347. The next prime is 2136353. The reversal of 2136351 is 1536312.

It is not a de Polignac number, because 2136351 - 2² = 2136347 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2136353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7120 + ... + 7413.

It is an arithmetic number, because the mean of its divisors is an integer number (276146).

2^2136351 is an apocalyptic number.

2136351 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2136351 is a deficient number, since it is larger than the sum of its proper divisors (1177401).

2136351 is a wasteful number, since it uses less digits than its factorization.

2136351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14550 (or 14543 counting only the distinct ones).

The product of its digits is 540, while the sum is 21.

The square root of 2136351 is about 1461.6261491914. The cubic root of 2136351 is about 128.7925877902.

The spelling of 2136351 in words is "two million, one hundred thirty-six thousand, three hundred fifty-one".